Abstract: A heater includes: a body that includes a furnace body and a mesh cover assembly; a burner assembly that is installed on the body; a gas tank that is arranged in the body and directly below the burner assembly; and a reflecting plate that is installed in the body and located between the burner assembly and the gas tank. The gas tank has an interface end connected to a fuel inlet end of the burner assembly via a valve. The mesh cover assembly and the burner assembly are detachably connected to the furnace body.

Abstract: Provided is a surface combustion burner which solves the passage blocking in a combustion part caused by dust, and enables stable combustion for a long term. The surface combustion burner comprises: a nozzle configured to discharge fuel gas and air for combustion; and a laminate, provided on a tip of the nozzle, in which a plurality of mesh plates is laminated, wherein the laminate includes a portion having an offset arrangement between at least any adjacent ones of the mesh plates.

Abstract: An outer peripheral edge part of the air-fuel mixture permeable member is connected to a portion away outward by a predetermined distance from an inner peripheral edge of the burner frame. Between the burner frame and the air-fuel mixture permeable member a clearance reaching the inner peripheral edge of the burner frame is secured at a position inward of the outer peripheral part of the air-fuel mixture permeable member. Preferably, a bent edge part formed on an inner peripheral edge of the burner frame, in a manner to be bent toward the air-fuel mixture permeable member. The amount of the air-fuel mixture to flow into the clearance is limited to a smaller amount.

Abstract: Liner device, adapted to be mounted between a burner box and a tube interface plate of a furnace. The liner device includes a base section, one or more tube sections, and one or more angle fasteners. The base section includes a shielding layer formed from a first flexible mesh of flame-resistant fibers, the shielding layer defining a first surface that is configured to face the burner box, a second surface opposite to the first surface, and a medial region with a through-hole forming a passageway through the shielding layer. The tube section is composed essentially of a second flexible mesh of flame-resistant fibers formed into a tubular shape that defines an internal channel around a nominal axis. A proximal end of the tube section is positioned at the base section, such that the channel opens into the through-hole and that the tube section projects from the second surface and in a direction faced by the second surface.

Abstract: A tubular burner and methods of use in a furnace having reduced NOx emissions are provided. The tubular burner comprises a structural skeleton and a mesh screen disposed about the structural skeleton. The structural skeleton may be coupled to an air/fuel mixture source. The structural skeleton may comprise a hollow interior and a plurality of perforations to allow the air/fuel mixture to pass from the interior of the structural skeleton to the exterior. The burner systems may further comprise a plurality of holes spaced along and between the burners for cross-lighting of multiple burners using a single igniter.

Abstract: A new and improved gas fired burner unit that can be utilized in applications where low emissions and high efficiency are desired including a burner body having a lower housing unit with a bottom portion, a distribution element located above the bottom portion, a burner deck located above the distribution element, and a metal fiber mesh element located above the burner deck. The burner deck supports the metal fiber mesh and spaces the metal fiber mesh from the internal distribution element to define a burner head. At least one inlet conduit communicates with the burner body and extends into the burner body to deliver a gas/air mixture to the burner body in a region located below the distribution element and above the bottom portion of the lower housing unit. The burner head has a permeability greater than 700 liters per hour, and the bottom portion of the lower housing unit includes a plurality of ribs providing added rigidity to the burner body and eliminating combustion noise.

Abstract: Portable handheld ceramic tile infrared burners and methods for using the same are disclosed for use to heat objects including to broil steak and other foods. In particular, a portable handheld ceramic tile infrared burner comprising a ceramic tile infrared burner assembly, a handle for maneuvering the ceramic tile infrared burner assembly during use, and a gas supply line for connecting to a gas source is disclosed. In some embodiments, the handle and gas supply line are integrated such that the gas supply line serves as the handle for maneuvering the ceramic tile infrared burner assembly during use. In some embodiments, the ceramic tile infrared burner assembly is at least partially enclosed in a housing. The handle may be connected to the housing or to the ceramic tile infrared burner assembly. The portable handheld ceramic tile infrared burner may further comprise one or more heat shields.

Abstract: A combustion device includes a first cover, a second cover, an infrared generating mesh, and a gas burner assembly, wherein the first cover has a plurality of through holes. A first half portion of the second cover has at least one hollow portion. A second half portion of the second cover is closed. The infrared generating mesh is disposed between the first cover and the second cover. A flame outlet of the gas burner assembly is located within a projection area of the second half portion. In this way, the intensity of the infrared rays generated by the combustion device could be increased and could be uniform.

Abstract: A gas-fired, powered infrared burner unit comprising a perforate distribution plate configured as a tray and a porous foam metal burner element carried in the tray, the combination overlying the open top of a plenum box and sealingly fastened to an edge flange of said box by a retainer having a surrounding flange fastened to the plenum box flange by welding, staking or other means so as to eliminate the need for a gasket. The foam metal medium is constructed of a foam metal alloy to have a pore size of 1000 micros±5%, and produce, along with the perforations in the distribution tray, a port loading of between about 850 and 1,000 BTU/in2.

Abstract: A burner for use with an igniter for firing a flame into a heat-exchanger includes a body having a sidewall that defines an interior chamber. A first opening in the body receives a pre-mixed mixture of air and fuel. A second opening in the body is in fluid communication with the first opening. A distributor connected to the body closes the second opening. The distributor includes a first portion and at least one curved second, portion provided on the first portion. Each second portion includes a plurality of first perforations in fluid communication with the first opening in the body. The first perforations of one second portion are positioned adjacent to the igniter such that ignition of the pre-mix mixture flowing through the first perforations results in a flame through the second portion.

Abstract: An inward-firing combustion burner, includes a burner casing configured to receive a fuel-air mixture at a burner inlet and to provide hot combustion gas at a burner output, a combustion substrate disposed within the burner casing, the substrate having a shape comprising at least a semi-cone or a flat surface, having a substrate porosity defined by a plurality of pores, and having a substrate inner surface and a substrate outer surface, the substrate configured to receive the fuel-air mixture at the outer surface of the substrate, the fuel-air mixture passing through the pores at a mixture flow rate from the substrate outer surface toward the substrate inner surface, and the burner configured such that, in operation, the fuel-air mixture ignites near the plurality of pores to form a respective plurality of flamelets, each flamelet corresponding to one of the pores.

Abstract: A windproof outdoor heater burner includes a casing and a flow-guiding device. The casing includes an inlet and an outlet. The flow-guiding device includes an inlet pipe connected to the inlet, a flow-guiding member, and a diffuser plate connected to the outlet. The flow-guiding member is connected to the inlet pipe. The flow-guiding member includes a flow-guiding channel therein and a plurality of first through-holes. Each first through-hole includes a first end intercommunicated with the flow-guiding channel and a second end intercommunicated with a chamber of the casing. The diffuser plate includes a plurality of first exhaust holes located between two sides thereof and intercommunicated with the chamber of the casing. The first exhaust holes are not aligned with the flow-guiding member.

Abstract: Embodiments disclosed herein are directed to devices and methods for improving operation of a combustion system. According to various embodiments disclosed herein, a prefabricated integrated combustion assembly is disclosed that may be installed into a combustion chamber of a combustion system. The combustion system may be a new combustion system that is being manufactured or a conventional combustion system that is being retrofitted.

Abstract: A surface burner for gas combustion has a burner surface which is fabricated by intertwining or interweaving an elongated flexible element across a distinct burner frame. This fabrication method can be best referred to as braiding, but also plaiting, lacing or another comparable method.

Abstract: One or more techniques and/or systems are disclosed for a burner assembly. The burner assembly can comprise a tube that introduces a combustible fuel into a burner chamber, through an opening in a solid back wall plate. The burner chamber can be defined by the solid back wall plate, a solid front wall plate, and a side wall, where the side wall can comprise a mesh layer and/or a ridged porous layer. The fuel can be expelled from pores disposed in the side wall to the outer periphery of the burner's side wall in a substantially uniform manner, where combustion of the fuel can produce a relatively uniform, omni-directional flame at the outer surface of the burner's side wall.

Abstract: A burner comprises a tubular diffuser wall and an inlet passage a flow of a mixture of gas within the diffuser wall, as well as a first diaphragm arranged in the inlet passage, said diaphragm forming a plurality of through openings and a plurality of guide surfaces delimiting the through openings on a radially outer side thereof so that, when introducing the mixture, said guide surfaces and said through openings direct the mixture towards the inside of the burner and in a radial direction towards the longitudinal axis.

Abstract: A deep fryer apparatus including a gas burner for heating cooking oil. The burner includes a venturi inlet for receiving fuel and combustion air that communicates with a main chamber having an expanding cross-section. A balancing plate is disposed in a flow path of the fuel air mixture that is located intermediate the inlet and the outlet. The balancing plate defines a region of reduced cross-section in the flow path. A flame cap located at the outlet defines at least one secondary chamber between itself and the balancing plate that defines a flow path cross-section that is larger than the cross-section of the flow path at the balancing plate. The balancing plate is preferably tapered to compensate for variations in the length of the flow path due to an angled orientation between the burner inlet and the outlet.

Abstract: A rich-lean burner includes an inner cylinder to which lean gas, which is a mixture of gas and combustion air, is supplied, and an outer cylinder that is coaxially disposed around the inner cylinder such that rich gas, which is a mixture of gas and combustion air, is supplied between the inner cylinder and the outer cylinder. A burner head, which has small holes and whose diameter decreases toward the leading end, is provided on an opening of the inner cylinder. The burner head is obtained by forming a perforated metal, in which the small holes are arranged in a zigzag manner, into a conical shape. An interval between each of the small holes is two to three times the diameter of the small holes. The total area of the small holes is larger than the area of an upper end opening of an upper inner cylinder.

Abstract: A surface burner for gas combustion has a burner surface which is fabricated by intertwining or interweaving an elongated flexible element across a distinct burner frame. This fabrication method can be best referred to as braiding, but also plaiting, lacing or another comparable method.

Abstract: A porous metallic mat is provided. The porous metallic mat includes a plurality of fibers and a protective coating. The plurality of fibers is sintered into a mat configuration. The protective coating is provided on the porous metallic mat. The protective coating includes a diffusion aluminide configured to provide oxidation resistance to the porous metallic mat.

Abstract: A drying installation (1) and method for drying of products (3). More in particular, the invention relates to a drying installation (1) and a method for drying sludge or mud, as e.g. the drying of wastewater and industrial sludge possibly contaminated with toxic or corrosive components. The dryer installation (1) comprises infrared emitters (5) which are protected and/or insulated from the evaporation products (7) exiting the drying product (3).

Abstract: A totally aerated combustion burner having a combustion plate with a multiplicity of flame holes includes a distribution chamber, a mixing chamber, and an air supply chamber. The mixing chamber has a front surface with a plurality of nozzle holes disposed in parallel with, and at a lateral distance from, one another so that a fuel gas to be ejected from the nozzle holes and the primary air from the air supply chamber get mixed in the mixing chamber. A wall plate is disposed upright on a bottom surface of the mixing chamber in a manner to lie opposite to the front surface of the mixing chamber while leaving a ventilation clearance to the front surface. An air inlet is formed in such a portion at the bottom surface of the mixing chamber as to face the ventilation clearance.

Abstract: An evaporator arrangement for an evaporator burner for a mobile heating device is provided, having: an evaporator body support into which a fuel supply line for supplying a liquid fuel opens, and an evaporator body for distributing and evaporating the liquid fuel. The evaporator body comprises at least one layer of a metal woven fabric of interwoven metal wires.

Abstract: High intensity combustion and low intensity combustion are carried out together, to stabilize flames and to hold down the emission of carbon monoxide. An air-fuel mixture outlet member (back plate) that includes a single or a plurality of outlet(s) (air-fuel mixture outlet(s)) out of which an air-fuel mixture (GA) flows is include, and a metal fiber knitting body (metal knit) that covers the air-fuel mixture outlet member is included. Therefor, the air-fuel mixture, which is made to flow out of the outlet(s), passes through the metal fiber knitting body (metal knit) and is combusted, a flame of low intensity (flame) is generated together with a flame of high intensity (flame) by combustion of the air-fuel mixture, and the flame of low intensity holds the flame of high intensity.

Abstract: A hot air generator comprising a handle (12), an elongated nozzle (14), flame generating means (6), a venturi (4), a gas conduit (162) intended to bring a combustible gas into the elongated nozzle (14) and at the flame generating means (6), an air conduit (164) intended for bringing compressed air into the elongated nozzle (14) and downstream from the venturi; characterized in that the generator further comprises a servocontrolled pressure regulator (2) controlling a gas pressure (Pd.g) in the gas conduit (162) depending on an air pressure (Pd.a) in the air conduit (164).

Abstract: A combustion method of a mixture composed of air and fuel uses a precious metal fiber membrane (1), wherein additional openings (3) for generation of a flame field with higher flames (8) are provided, the roots (7) of which are kept cool for NOx reduction, among other things.

Abstract: The present invention relates to a gas fired infrared radiation emitter comprising a burner plate (140) acting as combustion surface and a radiant screen (160) positioned at the combustion side of the perforated tiles. The radiant screen is embossed (180) proving locally different distances between th burner plate and the radiant screen. The result is a higher performance of the gas fired infrared radiation emitter.

Abstract: An indoor-outdoor gas infrared heater having one or more heat level settings. The heater includes a burner having ceramic plaques with a plurality of perforations and raised surfaces tapering into an apex between the perforations and an operating system having a control module electrically connected to a control valve, a power source and an activator for triggering the heater. The control valve has multiple pathways with each pathway supplying gas to the burner at a flow rate for a designated heat level setting. The heater has compartments for protecting the components from the heat coming from the burner.

Abstract: A gas burner including a burner body having a lower housing, an inlet conduit and a combustion surface element attached to the lower housing. A diffuser/reflector positioned within the body encourages even distribution and mixing of a combustible gas/air mixture. The diffuser/reflector is preferably of a sheet metal construction and includes a plurality of stamped openings with each of these openings having an overhanging guide plate. The combustion surface element includes a plurality of integrally formed rigidizing ribs and is made from a high temperature steel alloy wire cloth. The inlet conduit is secured directly or indirectly to an access door/bulkhead that is used to close off an access opening formed in a water heater wall through which the burner is installed. In one construction, an air scoop shrouds the inlet conduit and at least partially defines a flow path of primary air, substantially isolated from the combustion chamber.

Abstract: Adjustable gas grill burners are disclosed. Methods of making and using adjustable gas grill burners are also disclosed.

Abstract: An outdoor gas heater used in the field is provided. The outdoor gas heater includes a primary combustion net having a dual net structure. A wind-proof cover is provided to protect a thermocouple. Fuel gas is concentrated into a fuel gas discharge hole formed in the wind-proof cover so that an initial ignition performance is improved. A support is provided to support the outdoor gas heater from the top surface of a gas container. A fuel gas inlet tube is vertically installed between a head unit and a safety valve while being spaced apart from an adjustment handle, and a fire extinguishing safety device is provided behind the fuel gas inlet tube, so that the fire extinguishing safety device is hidden by the fuel gas inlet tube, thereby minimizing a volume of the gas heater without degrading aesthetic appearance of the gas heater.

Abstract: A gas burner including a burner body having a lower housing, an inlet conduit and a combustion surface element attached to the lower housing. A diffuser/reflector positioned within the body encourages even distribution and mixing of a combustible gas/air mixture. The diffuser/reflector is preferably of a sheet metal construction and includes a plurality of stamped openings with each of these openings having an overhanging guide plate. The combustion surface element includes a plurality of integrally formed rigidizing ribs and is made from a high temperature steel alloy wire cloth. The inlet conduit is secured directly or indirectly to an access door/bulkhead that is used to close off an access opening formed in a water heater wall through which the burner is installed. In one construction, an air scoop shrouds the inlet conduit and at least partially defines a flow path of primary air, substantially isolated from the combustion chamber.

Abstract: The object is to provide a burner capable of taking in sufficient primary air even though the size thereof is compact, and capable of being used as an all-primary air burner. A burner includes a mixing pipe to which a fuel gas and combustion air are supplied, a burner main body having a mixing chamber at a top end on a downstream side of the mixing pipe, and a burner head which is provided at an upper part of the burner main body while communicating with the mixing chamber and has first and second burner ports for ejecting mixed gas of the fuel gas and air for combustion mixed in the mixing chamber. The burner further includes an extension pipe in the burner main body protruding inside the mixing chamber being formed by extending the mixing pipe.

Abstract: A burner surface and creation method are provided. The burner surface includes a frame with a compact layer of unsintered metal and ceramic fibers that have been vacuum cast to a surface of the frame. The layer of unsintered metal and ceramic fibers is not greater than 0.5 inches, and is created without using substantial amounts of polymer pore forming or binding agents. The frame and compact layer additionally include a plurality of apertures that form holes through the burner surface plate.

Abstract: Apparatus for enhancing combustion of an undesired chemical to minimize the formation of smoke during operation of a flare stack for the discharge of a flare feedstream includes a plurality of high-pressure air nozzles spaced apart below and around the periphery of the stack outlet. Each nozzle is directed toward the stack outlet and in the direction of the feedstream's movement. High-pressure air from the nozzles forms a plurality of high-velocity air jets to produce a moving air mass that draws additional atmospheric air into the air mass moving toward the stack outlet to enhance combustion of the flare feedstream. Analytical means determine the stoichiometric oxygen requirements, and an air-flow valve controls the flow rate of the high-pressure air to the nozzles.

Abstract: A radiant burner comprises a body defining a premixing chamber and a combustion chamber. The premixing chamber is separated from the combustion chamber by at least one radiant burner plate (2) which has multiple levels of burner surface. The combustion chamber is further limited by a first radiant screen (4). The radiant burner further comprises a second radiant screen (3) in the combustion chamber. The second radiant screen is spaced from, but near and parallel to the radiant burner plate(s), such that this second radiant screen acts as an extended burner surface and also heats up said at least one radiant burner plate when in use.

Abstract: A gas burner including a burner body having a lower housing, an inlet conduit and a combustion surface element attached to the lower housing. A diffuser/reflector positioned within the body encourages even distribution and mixing of a combustible gas/air mixture. The diffuser/reflector is preferably of a sheet metal construction and includes a plurality of stamped openings with each of these openings having an overhanging guide plate. The combustion surface element includes a plurality of integrally formed rigidizing ribs and is made from a high temperature steel alloy wire cloth. The inlet conduit is secured directly or indirectly to an access door/bulkhead that is used to close off an access opening formed in a water heater wall through which the burner is installed. In one construction, an air scoop shrouds the inlet conduit and at least partially defines a flow path of primary air, substantially isolated from the combustion chamber.

Abstract: The present invention relates to a portable apparatus for warming biocompatible fluids for use in the treatment of injured patients and a method of heating a biocompatible fluid to treat a patient experiencing hypothermia. The present invention may be used to warm intravenous fluids for trauma resuscitation or to warm air from a ventilator circuit. The portable nature of the present invention makes it highly suitable for field applications, such as a forward surgical hospital near a combat zone.

Abstract: A wire mesh burner plate for use in large, gas burners for large ovens is comprised of spaced-apart wire mesh plates. The spacing between the wire mesh plates defines an air/fuel mixture space. The fuel passes through the lower or first mesh, experiences a pressure drop, mixes with air and passes through a second wire mesh. The gas combusts after passing through the second wire mesh. The fine gauge of the mesh prevents combustion from flowing backwardly into the fuel/air mixture space. Several individual wire mesh burner plates can be flexibly attached to each other such that a very wide space can be covered. Thermal stresses are reduced by being distributed across multiple burners.

Abstract: A gas burner including a burner body having a lower housing, an inlet conduit and a combustion surface element attached to the lower housing. A diffuser/reflector positioned within the body encourages even distribution and mixing of a combustible gas/air mixture. The diffuser/reflector is preferably of a sheet metal construction and includes a plurality of stamped openings with each of these openings having an overhanging guide plate. The combustion surface element includes a plurality of integrally formed rigidizing ribs and is made from a high temperature steel alloy wire cloth. The inlet conduit is secured directly or indirectly to an access door/bulkhead that is used to close off an access opening formed in a water heater wall through which the burner is installed. In one construction, an air scoop shrouds the inlet conduit and at least partially defines a flow path of primary air, substantially isolated from the combustion chamber.

Abstract: What is described is a burner, specifically for gas fuels with premixing, comprising a burner body designed to be housed in a combustion chamber of a heating apparatus, the burner body being provided with a burner head on which an air and gas mixture supplied to the combustion chamber is burnt, in which the burner head has a surface profile in the form of a dome-shaped spherical segment, the height of the dome being less than half of the diameter of the sphere to which the segment belongs.

Abstract: Cooking food in a hybrid conveyor with both electric and gas-fired infrared heaters. The heat output from the gas fired infrared heater is controlled by cycling or pulsing the gas supply to one or more burners that emit infrared heat by heating a nichrome screen wire. The electric power supplied to electrically powered heaters is also controlled.

Abstract: A water heater apparatus includes a fuel-air transfer arm connecting a blower outlet to a burner inlet. The transfer arm includes a continuously curved 180° bend portion and at least one inwardly extending internal flow disrupter located in the 180° bend portion for improving fuel-air mixture distribution across the burner inlet.

Abstract: A burner surface and creation method are provided. The burner surface includes a frame with a compact layer of unsintered metal and ceramic fibers that have been vacuum cast to a surface of the frame. The layer of unsintered metal and ceramic fibers is not greater than 0.5 inches, and is created without using substantial amounts of polymer pore forming or binding agents. The frame and compact layer additionally include a plurality of apertures that form holes through the burner surface plate.

Abstract: A conveyor oven is provided with both electric and gas-fired infrared heaters. The heat output from the gas fired infrared heater is controlled by cycling or pulsing the gas supply to one or more burners that emit infrared heat by heating a nichrome screen wire.

Abstract: Water in a fuel cell accumulator is kept above freezing by a hydrogen/oxygen catalytic combustor fed hydrogen through a mechanical thermostatic valve in thermal communication with the container and connected to a hydrogen supply. The system includes an ejector hydrogen/oxygen combustor and a diffusion hydrogen/oxygen combustor for warming a medium within a container such as water in the accumulator of a fuel cell in response to a mechanic hydrostatic valve which conducts hydrogen to a combustor responsive to the temperature of the container.

Abstract: A wire mesh burner plate for use in large, gas burners for large ovens is comprised of spaced-apart wire mesh plates. The spacing between the wire mesh plates defines an air/fuel mixture space. The fuel passes through the lower or first mesh, experiences a pressure drop, mixes with air and passes through a second wire mesh. The gas combusts after passing through the second wire mesh. The fine gauge of the mesh prevents combustion from flowing backwardly into the fuel/air mixture space. Several individual wire mesh burner plates can be flexibly attached to each other such that a very wide space can be covered. Thermal stresses are reduced by being distributed across multiple burners.

Abstract: A gas radiation burner includes a gas supply member for injecting a gas; at least one mixing pipe producing a mixed gas by sucking air together with the gas injected by the gas supply member, the at least one mixing pipe uniformly injecting the mixed gas; a burner pot having a lateral side opening connected to the at least one mixing pipe to accommodate the mixed gas supplied by the at least one mixing pipe; a burner mat provided over the burner pot to emit radiant heat generated by combustion of the mixed gas supplied by the burner pot; and a burner housing provided on the burner mat to provide a combustion room.

Abstract: A wire mesh burner plate for use in large, gas burners for large ovens is comprised of spaced-apart wire mesh plates. The spacing between the wire mesh plates defines an air/fuel mixture space. The fuel passes through the lower or first mesh, experiences a pressure drop, mixes with air and passes through a second wire mesh. The gas combusts after passing through the second wire mesh. The fine gauge of the mesh prevents combustion from flowing backwardly into the fuel/air mixture space. Several individual wire mesh burner plates can be flexibly attached to each other such that a very wide space can be covered. Thermal stresses are reduced by being distributed across multiple burners.

Abstract: A process for independently and concurrently cracking at least two different hydrocarbon feedstocks to olefins. The process is carried out in a furnace for cracking hydrocarbon feed which has at least a first and second independent radiant cracking zone to produce a first cracked product and second cracked product that are separately withdrawn from the furnace.